AutoCodes – Mercury – B10D8 Mercury

B10D8 Mercury Code - PATS Key Less Than Minimum Programmed No Sub Type Information

Quick Answer

When the Body Control Module (BCM) enters a key programming state, it activates the transceiver to read the key in the ignition key cylinder. Common causes include Passive Anti-Theft System (PATS) key not programmed, Faulty Body Control Module (BCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B10D8 Mercury indicates PATS Key Less Than Minimum Programmed No Sub Type Information.
Common causes: Common causes include Passive Anti-Theft System (PATS) key not programmed, Faulty Body Control Module (BCM).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 794

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B10D8 Mercury Description

When the Body Control Module (BCM) enters a key programming state, it activates the transceiver to read the key in the ignition key cylinder. If a valid Passive Anti-Theft System (PATS) key is used and there are no concerns with PATS, the key is programmed into the BCM memory. The OBDII code sets when less than 2 keys are programmed.

OBDII Code B10D8 Mercury - PATS Key Less Than Minimum Programmed No Sub Type Information - AutoCodes.com — B10D8 Mercury Code - PATS Key Less Than Minimum Programmed No Sub Type Information

What does this mean?

What are the Possible Causes of the DTC B10D8 Mercury?

Passive Anti-Theft System (PATS) key not programmed
Faulty Body Control Module (BCM)

How to Fix the DTC B10D8 Mercury?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B10D8 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B10D8 Mercury code?

Need more information on how to fix the B10D8 Mercury code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B10D8 Mercury Code

1. What are the common symptoms of OBDII code B10D8 in a Mercury vehicle?

- Common symptoms include difficulty starting the vehicle, the engine cranking but not turning over, and the security light flashing on the dashboard.

2. What does the OBDII code B10D8 Mercury indicate?

- The code B10D8 indicates that the Passive Anti-Theft System (PATS) key is less than the minimum programmed value with no sub-type information.

3. What are the possible causes of the B10D8 code in a Mercury vehicle?

- Possible causes include a faulty PATS transceiver, a problem with the PATS key or key programming, issues with the PATS control module, or a communication error within the PATS system.

4. How can I diagnose the B10D8 code in my Mercury vehicle?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, checking the PATS system components for proper functioning, and verifying the key programming.

5. Can I repair the B10D8 code on my own?

- Repairing the B10D8 code may require specialized equipment and knowledge of the PATS system. It is recommended to consult a professional automotive technician for accurate diagnosis and repair.

6. Is it safe to continue driving with the B10D8 code present in my Mercury vehicle?

- It is not recommended to drive the vehicle with the B10D8 code active, as it may lead to starting issues or potential security concerns related to the PATS system.

7. How much does it typically cost to repair the B10D8 code in a Mercury vehicle?

- The cost of repairs for the B10D8 code can vary depending on the exact cause of the issue. It is advisable to obtain a diagnosis from a qualified mechanic to determine the cost accurately.

8. Are there any preventive measures to avoid encountering the B10D8 code in my Mercury?

- Regular maintenance of the PATS system components, such as ensuring proper key programming and keeping keys in good condition, can help prevent issues related to the B10D8 code.

9. Can the B10D8 code be triggered by something other than a PATS system malfunction?

- While the B10D8 code is primarily associated with PATS system issues, it is essential to rule out other potential causes such as electrical faults or communication errors within the vehicle.

10. How long does it typically take to repair the B10D8 code in a Mercury vehicle?

- The repair time for the B10D8 code can vary depending on the specific cause of the issue and the availability of parts. It is advisable to consult with a professional technician for an accurate estimate.